Answer: B.
Explanation:
Arrows point to penguin, fish, krill, and other birds.
The is should be C, Im not 100% sure though...
Answer:
Option B, 
Explanation:
Given-
The average surface area of one foot pad of an elephant is

Weight of an Asian elephant is
newton
As we know, pressure is equal to total weight divided by total area of the surface on which it is concentrated.
Thus, pressure on one foot pad of elephant is 

Hence, option B is correct answer
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External parts of the pig